C-16. Bleeding air from auto grease circuit

C-16 Bleeding air from auto grease circuit (1/3)

•After assembling the whole machine, bleed air from the grease circuit according to the following procedure.

(1)Remove the 3 plugs (581-96-19590, marked with a) from the injector assembly manifold one by one from the one nearest to the pump. Then, operate the auto grease unit continuously in the manual mode and check that pressurized grease comes out. After checking, install the plugs again.

Order of check: Revolving frame front face ➞ Boom top face ➞ Arm top face

(2)Supply grease with the grease gun through the service nipple of the injector and check that grease comes out of each greasing point.

Discharge adjustment screw

Indicator pin Service nipple Tightening torque of cover : 18 Nm {1.84 kgm} Locknut 3 Tightening torque : 19.6 -- 24.5 Nm {2.0 -- 2.5 kgm}

Plug (581-96-19590)

3 Tightening torque : 19.6 -- 29.4 Nm {2.0 -- 3.0 kgm}

Manifold

Injector assembly

Precautions

A Do not use molybdenum disulfide grease to the bearings of the swing circle etc.

Bushing:Molybdenum disulfide grease may be used.

Bearing:Use lithium grease.

Others

Tools required

Name Q’ty Equipment required

Name Q’ty

C-16 Bleeding air from auto grease circuit (2/3)

Boom cylinder bottom, right Circle Boom cylinder bottom, left

Plug (581-96-19590) 3 Tightening torque : 19.6 -- 29.4 Nm {2.0 -- 3.0 kgm}

Revolving frame front face

Boom foot, right Boom cylinder head, right Boom top, right Arm cylinder bottom, right

Plug (581-96-19590) 3 Tightening torque : 19.6 -- 29.4 Nm {2.0 -- 3.0 kgm} Arm cylinder bottom, right Boom top, right Boom cylinder head, right Boom foot, right

Boom top face

C-16 Bleeding air from auto grease circuit (3/3)

Bucket cylinder bottom, right Arm cylinder head, right Arm cylinder head, left Bucket cylinder bottom, left Arm C boss Arm B boss, right Arm A boss, right Bucket, right Bucket cylinder head, right

Bucket cylinder head, left Bucket, left Arm A boss, left Arm B boss, left

When adjusting injector, remove piping cover. After adjusting, install again.

Front link + Bucket, left Front link + Wrist link, left Front link + Wrist link, left

Front link + Bucket, right Front link + Wrist link, right Front link + Wrist link, right Arm top face

Plug (581-96-19590) 3 Tightening torque : 19.6 -- 29.4 Nm {2.0 -- 3.0 kgm}